Optical illusions gets our brain to exercise, and can be the perfect test of our observational skills and keen eye. An optical illusion is a visual phenomenon where the brain misinterprets what the ...
ST. LOUIS — The Saint Louis Zoo’s Asian elephant, Donna, has a tumor. Due to being diagnosed with a condition known as primary hyperparathyroidism, surgery is not an option. The tumor secretes a ...
ST. LOUIS – Donna, an elderly Asian elephant at the Saint Louis Zoo, died Thursday morning after a recent tumor diagnosis. Zoo officials say Donna was “humanely euthanized … due to a rapid and ...
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